• Building Number Sense

Developmentally

1. Rote Counting – Saying numbers in order.

2. One-To-One Correspondence-The number of objects in the set has a direct relationship to the counting sequence.

3. Cardinality-Understanding that a number symbol (“2”) stands for how many objects are in a set.

4. Conservation of Number- The number of objects does not change because the objects have changed position.

5. Number Relationships-The counting sequence i.e. which number comes before or after, etc.

6. Spatial Relationships-The understanding of objects in space. Using vocabulary such as “over”, “under”, “behind”, “in front”, “inside”, “outside”, etc.

7. One More/One Less-Identifying the numbers that are one more or one less than a given number.

8. Ten More/Ten Less-Identifying the numbers that are 10 more or 10 less than a given number.

9. Anchors to 5 and 10- The ability to use a 5 or 10 frame to determine that, for example, 3 + 3 is actually 5 + 1 more.

10. Part-Part-Whole-The ability to perceive that the whole is made up of the sum of its parts.